(a) After the adoption by the governing body of a plan which contains the provisions required by Kan. Stat. Ann. § 12-5251*, the clerk of the city or county shall transmit a copy of the description of the land within the district, a copy of the ordinance or resolution adopting the plan and a map or plat indicating the boundaries of the district, to the clerk, appraiser and treasurer of the county in which the district is located and to the governing bodies of any taxing subdivision which levy taxes upon any property in the district. Such documents shall be transmitted as promptly as practicable following the adoption or modification of the plan, but in any event, on or before the January 1st next following the adoption or modification of the plan.

(b) The appraiser of any county in which a district is authorized by a city or county shall certify the amount of such increase in assessed valuation of real and personal property within the district to the county clerk on or before July 1 of each year.